Ejemplo n.º 1
0
kaa_error_t kaa_extension_logging_init(kaa_context_t *kaa_context, void **context)
{
    kaa_error_t error = kaa_log_collector_create(&kaa_context->log_collector,
            kaa_context->status->status_instance,
            kaa_context->channel_manager, kaa_context->logger);
    *context = kaa_context->log_collector;
    return error;
}
Ejemplo n.º 2
0
void test_create_request(void **state)
{
    (void)state;

    kaa_user_log_record_t *test_log_record = kaa_test_log_record_create();
    test_log_record->data = kaa_string_copy_create(TEST_LOG_BUFFER);
    size_t test_log_record_size = test_log_record->get_size(test_log_record);

    kaa_log_collector_t *log_collector = NULL;
    kaa_error_t error_code = kaa_log_collector_create(&log_collector, status,
            channel_manager, logger);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    mock_strategy_context_t strategy;
    memset(&strategy, 0, sizeof(mock_strategy_context_t));
    strategy.decision = NOOP;
    strategy.max_parallel_uploads = UINT32_MAX;

    kaa_log_bucket_constraints_t constraints = {
        .max_bucket_size = 2 * test_log_record_size,
        .max_bucket_log_count = UINT32_MAX,
    };

    error_code = kaa_logging_init(log_collector, create_mock_storage(), &strategy, &constraints);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    size_t expected_size = 0;
    error_code = kaa_logging_request_get_size(log_collector, &expected_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    uint8_t buffer[expected_size];
    kaa_platform_message_writer_t *writer = NULL;
    error_code = kaa_platform_message_writer_create(&writer, buffer, expected_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);
    ASSERT_NOT_NULL(writer);

    error_code = kaa_logging_request_serialize(log_collector, writer);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);
    kaa_platform_message_writer_destroy(writer);

    uint8_t *buf_cursor = buffer;
    ASSERT_EQUAL(KAA_EXTENSION_LOGGING, KAA_HTONS(*(uint16_t *)buf_cursor));
    buf_cursor += sizeof(uint16_t);

    uint8_t options[] = { 0x00, 0x01 };
    ASSERT_EQUAL(memcmp(buf_cursor, options, 2), 0);
    buf_cursor += 2;

    ASSERT_EQUAL(*(uint32_t *) buf_cursor, KAA_HTONL(20));
    buf_cursor += sizeof(uint32_t);

    uint8_t request_id_records_count[]  = { 0x00, 0x01, 0x00, 0x01 };
    ASSERT_EQUAL(memcmp(buf_cursor, request_id_records_count, 4), 0);
    buf_cursor += 4;

    uint8_t record_buf[test_log_record_size];
    avro_writer_t avro_writer = avro_writer_memory((char *)record_buf, test_log_record_size);
    test_log_record->serialize(avro_writer, test_log_record);
    avro_writer_free(avro_writer);

    ASSERT_EQUAL(*(uint32_t *) buf_cursor, KAA_HTONL(test_log_record_size));
    buf_cursor += sizeof(uint32_t);

    ASSERT_EQUAL(memcmp(buf_cursor, record_buf, test_log_record_size), 0);

    kaa_log_collector_destroy(log_collector);
    test_log_record->destroy(test_log_record);
}



void test_response(void **state)
{
    (void)state;

    srand(time(NULL));

    kaa_log_collector_t *log_collector = NULL;
    kaa_error_t error_code = kaa_log_collector_create(&log_collector, status, channel_manager, logger);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    mock_strategy_context_t strategy;
    memset(&strategy, 0, sizeof(mock_strategy_context_t));

    mock_storage_context_t *storage = create_mock_storage();

    kaa_log_bucket_constraints_t constraints = {
        .max_bucket_size = 1024,
        .max_bucket_log_count = UINT32_MAX,
    };

    error_code = kaa_logging_init(log_collector, storage, &strategy, &constraints);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    uint32_t response_count = 2;
    size_t response_buffer_size = sizeof(uint32_t) + sizeof(uint32_t) * response_count;
    uint8_t response_buffer[response_buffer_size];

    uint8_t *response = response_buffer;
    *((uint32_t *)response) = KAA_HTONL(response_count);
    response += sizeof(uint32_t);

    /* First response */
    *((uint16_t *)response) = KAA_HTONS(rand());
    response += sizeof(uint16_t);
    *((uint8_t *)response) = 0x0; // SUCCESS
    response += sizeof(uint8_t);
    *((uint8_t *)response) = 0;
    response += sizeof(uint8_t);

    /* Second response */
    *((uint16_t *)response) = KAA_HTONS(rand());
    response += sizeof(uint16_t);
    *((uint8_t *)response) = 0x1; // FAILURE
    response += sizeof(uint8_t);
    *((uint8_t *)response) = rand() % 4;
    response += sizeof(uint8_t);

    kaa_platform_message_reader_t *reader = NULL;
    error_code = kaa_platform_message_reader_create(&reader, response_buffer, response_buffer_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);
    ASSERT_NOT_NULL(reader);

    error_code = kaa_logging_handle_server_sync(log_collector, reader, 0, response_buffer_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    ASSERT_TRUE(strategy.on_failure_count);
    ASSERT_TRUE(storage->on_remove_by_id_count);
    ASSERT_TRUE(storage->on_unmark_by_id_count);

    kaa_platform_message_reader_destroy(reader);
    kaa_log_collector_destroy(log_collector);
}



void test_timeout(void **state)
{
    (void)state;

    kaa_log_collector_t *log_collector = NULL;
    kaa_error_t error_code = kaa_log_collector_create(&log_collector,
            status, channel_manager, logger);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    kaa_user_log_record_t *test_log_record = kaa_test_log_record_create();
    test_log_record->data = kaa_string_copy_create(TEST_LOG_BUFFER);
    size_t test_log_record_size = test_log_record->get_size(test_log_record);

    mock_strategy_context_t strategy;
    memset(&strategy, 0, sizeof(mock_strategy_context_t));
    strategy.timeout = TEST_TIMEOUT;
    strategy.decision = NOOP;
    strategy.max_parallel_uploads = UINT32_MAX;

    kaa_log_bucket_constraints_t constraints = {
        .max_bucket_size = 2 * test_log_record_size,
        .max_bucket_log_count = UINT32_MAX,
    };

    error_code = kaa_logging_init(log_collector, create_mock_storage(), &strategy, &constraints);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    size_t request_buffer_size = 256;
    uint8_t request_buffer[request_buffer_size];
    kaa_platform_message_writer_t *writer = NULL;
    error_code = kaa_platform_message_writer_create(&writer, request_buffer, request_buffer_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_request_serialize(log_collector, writer);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    sleep(TEST_TIMEOUT + 1);

    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    ASSERT_TRUE(strategy.on_timeout_count);

    test_log_record->destroy(test_log_record);
    kaa_platform_message_writer_destroy(writer);
    kaa_log_collector_destroy(log_collector);
}

void test_decline_timeout(void **state)
{
    (void)state;

    kaa_log_collector_t *log_collector = NULL;
    kaa_error_t error_code = kaa_log_collector_create(&log_collector, status, channel_manager, logger);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    kaa_user_log_record_t *test_log_record = kaa_test_log_record_create();
    test_log_record->data = kaa_string_copy_create(TEST_LOG_BUFFER);
    size_t test_log_record_size = test_log_record->get_size(test_log_record);

    mock_strategy_context_t strategy;
    memset(&strategy, 0, sizeof(mock_strategy_context_t));
    strategy.timeout = TEST_TIMEOUT;
    strategy.decision = NOOP;
    strategy.max_parallel_uploads = UINT32_MAX;

    mock_storage_context_t *storage = create_mock_storage();
    ASSERT_NOT_NULL(storage);

    kaa_log_bucket_constraints_t constraints = {
        .max_bucket_size = 2 * test_log_record_size,
        .max_bucket_log_count = UINT32_MAX,
    };

    error_code = kaa_logging_init(log_collector, storage, &strategy, &constraints);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    size_t request_buffer_size = 256;
    uint8_t request_buffer[request_buffer_size];
    kaa_platform_message_writer_t *writer = NULL;
    error_code = kaa_platform_message_writer_create(&writer, request_buffer, request_buffer_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_request_serialize(log_collector, writer);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    sleep(TEST_TIMEOUT + 1);

    uint16_t bucket_id = *((uint16_t *)(request_buffer + KAA_EXTENSION_HEADER_SIZE));
    bucket_id = KAA_NTOHS(bucket_id);

    uint32_t response_count = 1;
    size_t response_buffer_size = sizeof(uint32_t) + sizeof(uint32_t) * response_count;
    uint8_t response_buffer[response_buffer_size];

    uint8_t *response = response_buffer;
    *((uint32_t *)response) = KAA_HTONL(response_count);
    response += sizeof(uint32_t);

    /* First response */
    *((uint16_t *)response) = KAA_HTONS(bucket_id);
    response += sizeof(uint16_t);
    *((uint8_t *)response) = 0x0; // SUCCESS
    response += sizeof(uint8_t);
    *((uint8_t *)response) = 0;
    response += sizeof(uint8_t);

    kaa_platform_message_reader_t *reader = NULL;
    error_code = kaa_platform_message_reader_create(&reader, response_buffer, response_buffer_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);
    ASSERT_NOT_NULL(reader);

    error_code = kaa_logging_handle_server_sync(log_collector, reader, 0, response_buffer_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);
    ASSERT_TRUE(storage->on_remove_by_id_count);

    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    ASSERT_FALSE(strategy.on_timeout_count);

    test_log_record->destroy(test_log_record);
    kaa_platform_message_writer_destroy(writer);
    kaa_platform_message_reader_destroy(reader);
    kaa_log_collector_destroy(log_collector);
}

void test_max_parallel_uploads_with_log_sync(void **state)
{
    (void)state;

    uint32_t channel_id = 0;
    kaa_transport_channel_interface_t transport_context;
    test_kaa_channel_create(&transport_context);

    kaa_channel_manager_add_transport_channel(channel_manager, &transport_context, &channel_id);

    kaa_log_collector_t *log_collector = NULL;
    kaa_error_t error_code = kaa_log_collector_create(&log_collector, status, channel_manager, logger);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    kaa_user_log_record_t *test_log_record = kaa_test_log_record_create();
    test_log_record->data = kaa_string_copy_create(TEST_LOG_BUFFER);
    size_t test_log_size = test_log_record->get_size(test_log_record);

    mock_strategy_context_t strategy;
    memset(&strategy, 0, sizeof(mock_strategy_context_t));
    strategy.timeout = INT16_MAX;
    strategy.decision = UPLOAD;

    mock_storage_context_t *storage = create_mock_storage();
    ASSERT_NOT_NULL(storage);

    kaa_log_bucket_constraints_t constraints = {
        .max_bucket_size = 2 * test_log_size,
        .max_bucket_log_count = UINT32_MAX,
    };

    error_code = kaa_logging_init(log_collector, storage, &strategy, &constraints);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    /*
     * Ensure the log delivery is forbidden at all.
     */
    strategy.max_parallel_uploads = 0;
    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    ASSERT_EQUAL(((mock_transport_channel_context_t *)transport_context.context)->on_sync_count, 0);

    /*
     * Ensure the first request is allowed.
     */
    strategy.max_parallel_uploads = 1;
    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);
    ASSERT_EQUAL(((mock_transport_channel_context_t *)transport_context.context)->on_sync_count, 1);

    /*
     * Do the first request to remember the delivery timeout of the log batch.
     */
    size_t request_buffer_size = 256;
    uint8_t request_buffer[request_buffer_size];
    kaa_platform_message_writer_t *writer = NULL;
    error_code = kaa_platform_message_writer_create(&writer, request_buffer, request_buffer_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_request_serialize(log_collector, writer);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    /*
     * Ensure the second request is forbidden.
     */
    ASSERT_EQUAL(((mock_transport_channel_context_t *)transport_context.context)->on_sync_count, 1);

    /*
     * Clean up.
     */
    error_code = kaa_channel_manager_remove_transport_channel(channel_manager, channel_id);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    test_log_record->destroy(test_log_record);
    kaa_log_collector_destroy(log_collector);
}

void test_max_parallel_uploads_with_sync_all(void **state)
{
    (void)state;

    uint32_t channel_id = 0;
    kaa_transport_channel_interface_t transport_context;
    test_kaa_channel_create(&transport_context);

    kaa_channel_manager_add_transport_channel(channel_manager, &transport_context, &channel_id);

    kaa_log_collector_t *log_collector = NULL;
    kaa_error_t error_code = kaa_log_collector_create(&log_collector,
            status, channel_manager, logger);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    kaa_user_log_record_t *test_log_record = kaa_test_log_record_create();
    test_log_record->data = kaa_string_copy_create(TEST_LOG_BUFFER);
    size_t test_log_size = test_log_record->get_size(test_log_record);

    mock_strategy_context_t strategy;
    memset(&strategy, 0, sizeof(mock_strategy_context_t));
    strategy.timeout = INT16_MAX;
    strategy.decision = UPLOAD;

    mock_storage_context_t *storage = create_mock_storage();
    ASSERT_NOT_NULL(storage);

    kaa_log_bucket_constraints_t constraints = {
        .max_bucket_size = 2 * test_log_size,
        .max_bucket_log_count = UINT32_MAX,
    };

    error_code = kaa_logging_init(log_collector, storage, &strategy, &constraints);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    /*
     * Ensure the log delivery is forbidden at all.
     */
    strategy.max_parallel_uploads = 0;
    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    size_t expected_size = 0;
    error_code = kaa_logging_request_get_size(log_collector, &expected_size);
    assert_int_equal(KAA_ERR_NONE, error_code);
    ASSERT_FALSE(expected_size);

    /*
     * Ensure the first request is allowed.
     */
    strategy.max_parallel_uploads = 1;
    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    /*
     * Do the first request to remember the delivery timeout of the log batch.
     */
    error_code = kaa_logging_request_get_size(log_collector, &expected_size);
    assert_int_equal(KAA_ERR_NONE, error_code);
    ASSERT_TRUE(expected_size);
    size_t request_buffer_size = 256;
    uint8_t request_buffer[request_buffer_size];
    kaa_platform_message_writer_t *writer = NULL;
    error_code = kaa_platform_message_writer_create(&writer, request_buffer, request_buffer_size);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_request_serialize(log_collector, writer);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    error_code = kaa_logging_add_record(log_collector, test_log_record, NULL);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    /*
     * Ensure the second request is forbidden.
     */
    error_code = kaa_logging_request_get_size(log_collector, &expected_size);
    assert_int_equal(KAA_ERR_NONE, error_code);
    ASSERT_FALSE(expected_size);

    /*
     * Clean up.
     */
    error_code = kaa_channel_manager_remove_transport_channel(channel_manager, channel_id);
    ASSERT_EQUAL(error_code, KAA_ERR_NONE);

    test_log_record->destroy(test_log_record);
    kaa_log_collector_destroy(log_collector);
}

/* ---------------------------------------------------------------------------*/
/* Log delivery tests                                                         */
/* ---------------------------------------------------------------------------*/

/* Server chunk, managed by a corresponding reader object.
 * Perfectly packed. Packed attribute is intentionally avoided. */
struct response_chunk {
    uint8_t bucket_id[2];  /* 16 bits for bucket ID */
    uint8_t resp_code;     /* 8 bits for response code. 0 == SUCCESS, 1 == FAILURE */
    // cppcheck-suppress unusedStructMember
    uint8_t reserved;      /* Should be 0 */
};

struct response_packet {
    uint8_t resp_cnt[4];           /* 32 bits for amount of responces in buffer */
    struct response_chunk resps[]; /* Responses itself */
};

#define RESP_PACKETS               2 /* Amount of response packets */
#define RESP_SUCCESS_IDX           0 /* Index of successfull response */
#define RESP_FAILURE_IDX           1 /* Index of failed response */
#define TEST_BUFFER_SIZE           1024
#define TEST_EXT_OP                0 /* Simple stub */


static mock_strategy_context_t         test_strategy1;
static mock_strategy_context_t         test_strategy2;
static mock_storage_context_t          *test_storage1;
static mock_storage_context_t          *test_storage2;
static kaa_log_collector_t             *log_collector;
static size_t                          test_log_record_size = TEST_BUFFER_SIZE;
/* Will contain response_packet. Thus required to be aligned. */
static uint32_t                        test_reader_buffer[TEST_BUFFER_SIZE / 4];
static uint32_t                        test_writer_buffer[TEST_BUFFER_SIZE / 4];
/* Portion of the test buffer filled with valid data */
static size_t                          test_filled_size;
static kaa_platform_message_reader_t   *test_reader;
static kaa_platform_message_writer_t   *test_writer;
static kaa_user_log_record_t           *test_log_record;

/* Values to be checked inside mock event function */
static void     *expected_ctx;
static int      check_bucket;
static uint16_t expected_bucked_id;

/* Required to trace generic mock function calls */
static int      call_is_expected;
static int      call_completed;

/* Required to trace on fail mock function calls */
static int      failed_call_is_expected;
static int      failed_call_completed;

/* Required to trace on success mock function calls */
static int      success_call_is_expected;
static int      success_call_completed;

/* Required to trace on timeout mock function calls */
static int      timeout_call_is_expected;
static int      timeout_call_completed;

/* Mock event functions */

static void mock_log_event_generic_fn(void *ctx, const kaa_log_bucket_info_t *bucket)
{
    ASSERT_TRUE(call_is_expected);
    ASSERT_NOT_NULL(bucket); /* Shouldn't be NULL no matter what */

    if (check_bucket) {
        ASSERT_EQUAL(expected_bucked_id, bucket->bucket_id);
    }

    ASSERT_EQUAL(expected_ctx, ctx);

    call_completed++;
}
Ejemplo n.º 3
0
static kaa_error_t kaa_context_create(kaa_context_t **context_p, kaa_logger_t *logger)
{
    KAA_RETURN_IF_NIL2(context_p, logger, KAA_ERR_BADPARAM);

    *context_p = (kaa_context_t *) KAA_MALLOC(sizeof(kaa_context_t));
    KAA_RETURN_IF_NIL(*context_p, KAA_ERR_NOMEM);

    (*context_p)->logger = logger;

    kaa_error_t error = KAA_ERR_NONE;
    (*context_p)->status = (kaa_status_holder_t *) KAA_MALLOC(sizeof(kaa_status_holder_t));
    if (!(*context_p)->status)
        error = KAA_ERR_NOMEM;

    if (!error)
        error = kaa_status_create(&((*context_p)->status->status_instance));

    if (!error)
        error = kaa_platform_protocol_create(&((*context_p)->platfrom_protocol), *context_p,
                                             (*context_p)->status->status_instance);

    if (!error)
        error = kaa_channel_manager_create(&((*context_p)->channel_manager), (*context_p));

    if (!error)
        error = kaa_bootstrap_manager_create(&((*context_p)->bootstrap_manager), (*context_p)->channel_manager,
                                             (*context_p)->logger);

    if (!error)
        error = kaa_profile_manager_create(&((*context_p)->profile_manager), (*context_p)->status->status_instance,
                                           (*context_p)->channel_manager, (*context_p)->logger);

#ifndef KAA_DISABLE_FEATURE_EVENTS
    if (!error)
        error = kaa_event_manager_create(&((*context_p)->event_manager), (*context_p)->status->status_instance,
                                         (*context_p)->channel_manager, (*context_p)->logger);
#else
    (*context_p)->event_manager = NULL;
#endif

#ifndef KAA_DISABLE_FEATURE_LOGGING
    if (!error)
        error = kaa_log_collector_create(&((*context_p)->log_collector), (*context_p)->status->status_instance,
                                         (*context_p)->channel_manager, (*context_p)->logger);
#else
    (*context_p)->log_collector = NULL;
#endif

#ifndef KAA_DISABLE_FEATURE_CONFIGURATION
    if (!error)
        error = kaa_configuration_manager_create(&((*context_p)->configuration_manager), (*context_p)->channel_manager,
                                                 (*context_p)->status->status_instance, (*context_p)->logger);
#else
    (*context_p)->configuration_manager = NULL;
#endif

    if (!error)
        error = kaa_user_manager_create(&((*context_p)->user_manager), (*context_p)->status->status_instance,
                                        (*context_p)->channel_manager, (*context_p)->logger);

    if (error) {
        kaa_context_destroy(*context_p);
        *context_p = NULL;
    }

    return error;
}
Ejemplo n.º 4
0
static kaa_error_t kaa_context_create(kaa_context_t **context_p, kaa_logger_t *logger)
{
    KAA_RETURN_IF_NIL2(context_p, logger, KAA_ERR_BADPARAM);

    kaa_context_t *context = KAA_MALLOC(sizeof(*context));
    KAA_RETURN_IF_NIL(context, KAA_ERR_NOMEM);

    context->logger = logger;

    kaa_error_t error = KAA_ERR_NONE;
    context->status = KAA_MALLOC(sizeof(*context->status));
    if (!context->status)
        error = KAA_ERR_NOMEM;

    if (!error)
        error = kaa_status_create(&context->status->status_instance);

    if (!error)
        error = kaa_platform_protocol_create(&context->platform_protocol, context,
                                             context->status->status_instance);

    if (!error)
        error = kaa_channel_manager_create(&context->channel_manager, context);

    if (!error)
        error = kaa_bootstrap_manager_create(&context->bootstrap_manager, context);

    if (!error)
        error = kaa_profile_manager_create(&context->profile_manager, context->status->status_instance,
                                           context->channel_manager, context->logger);

    if (!error)
        error = kaa_failover_strategy_create(&context->failover_strategy, logger);

#ifndef KAA_DISABLE_FEATURE_EVENTS
    if (!error)
        error = kaa_event_manager_create(&context->event_manager, context->status->status_instance,
                                         context->channel_manager, context->logger);
#else
    context->event_manager = NULL;
#endif

#ifndef KAA_DISABLE_FEATURE_LOGGING
    if (!error)
        error = kaa_log_collector_create(&context->log_collector, context->status->status_instance,
                                         context->channel_manager, context->logger);
#else
    context->log_collector = NULL;
#endif

#ifndef KAA_DISABLE_FEATURE_CONFIGURATION
    if (!error)
        error = kaa_configuration_manager_create(&context->configuration_manager, context->channel_manager,
                                                 context->status->status_instance, context->logger);
#else
    context->configuration_manager = NULL;
#endif

#ifndef KAA_DISABLE_FEATURE_NOTIFICATION
    if (!error)
        error = kaa_notification_manager_create(&context->notification_manager, context->status->status_instance,
                                                context->channel_manager, context->logger);
#else
    context->notification_manager = NULL;
#endif

    if (!error)
        error = kaa_user_manager_create(&context->user_manager, context->status->status_instance,
                                        context->channel_manager, context->logger);


    if (error) {
        kaa_context_destroy(context);
        *context_p = NULL;
    } else {
        *context_p = context;
    }

    return error;
}